Introduction of rust removal method for large diameter straight seam steel pipe : 1. Cleaning ...
The surface quenching and tempering heat treatment of straight seam welded pipes is usually carr...
Pressure resistance of pipe stamping steel elbows . Temperature and pressure resistance, good fle...
An oil casing is a large-diameter pipe that acts to fix the wall or bore of oil and gas oil well...
Because the individual quality of the spiral welded pipe is relatively large, it must be stacked...
There are two main differences between oil casing and oil drill pipe: 1. Different uses; 2. Diff...
Welding and cutting of the spiral steel pipe structure are inevitable in the application of the ...
The pressure ratio of the spiral steel pipe on the gas pipeline also has a downward trend. For p...
The quality inspection method of spiral steel pipe is as follows: 1 Judging from the surfac...
The concept of a thin-walled spiral steel tube : the strip steel is fed into the welded pipe unit...
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